1. G. H. Bryan, “On the Beats in the Vibrations of a Revolving Cylinder or Bell,” Proc. Camb. Phil. Soc. Math. Phys. 7, 101–111 (1891).
2. V. Ph. Zhuravlev and D. M. Klimov, Hemispherical Resonator Gyro (Nauka, Moscow, 1985) [in Russian].
3. V. Ph. Zhuravlev and D. M. Klimov, Applied Methods in Vibration Theory (Nauka, Moscow, 1988) [in Russian].
4. V. Ph. Zhuravlev, “Theoretical Foundations of Solid-State Wave Gyroscopes,” “Theoretical Foundations of Wave Solid Gyroscope (WSG),” Izv. Akad. Nauk. Mekh. Tverd. Tela, No. 3, 15–26 (1993) [Mech. Solids (Engl. Transl.) 28 (3), 3–15 (1993)].
5. M.W. Putty and K. Najafi, “A Micromachined Vibrating Ring Gyroscope,” Proc. Digest, Solid-State Sensors and Actuators Workshop Hilton Head, SC, 213–220 (1994).